hi i use j download 1.9.1 . but i want to change editor button... just editor button to new version of jdownload 2.5i mean my editor button plugin for jdownload have cattegorty serach and.... same as the pictuture...any one know how we cand do it?

HiRegrettably I do not think that is really feasible. You should really perhaps think about migrating to Joomla! 3 and jd 3.2 series. Also support for the 1.9 series has ended.If you need assist with the migration then please ask.